Create an Account

Sylvius 4 Online is a new, online-only version of Sylvius 4.
This version can be used on any computer with an active Internet connection and up-to-date
Web browser. Adobe Flash is no longer required. (See System Requirements for details.)

If you had an account for Sylvius 4, you can transfer your account over to
this new version for free. This will deactivate your account on the previous version, please make sure
to read the details on the transfer page.

If you purchased a textbook that has a Sylvius 4 registration code included with it, you can register
that code on the standard registration page as long as it hasn't been previously used to make an account.
Likewise, if you bought Sylvius 4 standalone but never registered your code, your code can be used on the same registration page.

The materials included in this site are protected by copyright. Permission to use these materials is strictly limited to those uses described below; any other use requires written permission of the copyright holder.

Use of these materials is limited to the personal use of the purchaser/licensee who has purchased access to this site/title published by Sinauer Associates, Inc. You may not share your access to this site with others. You may not distribute the materials contained in this site, nor may you publish or print the materials in any way without first receiving written permission from the copyright holder(s). In using this site, you are agreeing to these Terms of Use and acknowledging the copyrights to the materials contained herein.

If you have any questions regarding permitted uses of the materials on this site, please contact permissions@sinauer.com. Make sure to include the title of this site in your query.